package com.examlpe.lotterysystem.dao.mapper;

import com.examlpe.lotterysystem.dao.dataobject.PrizeDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface PrizeMapper {
    @Insert("insert into prize(name, image_url, price, description) " +
            "values (#{name},#{imageUrl},#{price},#{description})")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    int insert(PrizeDO prizeDO);
    @Select("select count(1) from prize")
    int count();
    @Select("select * from prize order by id desc limit #{offset}, #{pageSize}")
    List<PrizeDO> selectPrizeList(@Param("offset") Integer offset,
                                  @Param("pageSize") Integer pageSize);
    @Select("<script> " +
            "select id from prize " +
            "where id in " +
            "<foreach item= 'items' collection = 'items' open = '(' separator = ',' close = ')'> " +
            "#{items}" +
            "</foreach>" +
            "</script>")
    List<Long> selectExistByIds(@Param("items") List<Long> ids);
    @Select("<script> " +
            "select * from prize " +
            "where id in " +
            "<foreach item= 'items' collection = 'items' open = '(' separator = ',' close = ')'> " +
            "#{items}" +
            "</foreach>" +
            "</script>")
    List<PrizeDO> batchSelectByIds(@Param("items") List<Long> ids);

    @Select("select * from prize where id = #{prizeId}")
    PrizeDO selectById(@Param("prizeId") Long prizeId);
}
